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what thickness are you printing at. you are compensating for almost .2 mm at the one end. I am assuming that in the photo the rectangle on the left is the -0.026 and the rectangle on the right that isn't fully filled in is the -0.173 side. if that's the case the simple fact that you are getting adhesion on the right hand rectangle means its working. you are compensating for almost .2 mm. it may not be a perfect first layer but with a deviation like that its sticking if ahead of the game. turn off the mesh leveling and then try the print again. I am willing to bet that the right hand rectangle tries to print in the air. you could always up your first layer to .3mm to see if that will help